Air Purifier Ranking

Home › Best Air Purifiers for Large Rooms

Best Air Purifiers for Large Rooms

17 qualify, listed by overall score. Updated October 18, 2026.

1
Winix T810
#1 of 6 in extra large
$249
4.0
410 cfmsmoke CADR
636 sq ftAHAM room size
56 dBat full speed
80 Wmax power
Value Quietness Filter cost

Large-room Winix with app control and a heavy carbon filter at a mid-range price.

One air change of a 300 sq ft room in about 6 min$90 a year in filters$699 to own for 5 yearsAHAM Verifide CADR1.2 lb activated carbon
Amazon · $249WinixFull review
2
$250
4.0
410 cfmsmoke CADR
636 sq ftAHAM room size
55 dBat full speed
49 Wmax power
Value Quietness Filter cost

Large-room CADR from a light, efficient unit; short filter life raises running cost.

One air change of a 300 sq ft room in about 6 min$120 a year in filters$850 to own for 5 yearsAHAM Verifide CADR
Amazon · $250LevoitFull review
3
$300
3.9
400 cfmsmoke CADR
620 sq ftAHAM room size
53 dBat full speed
52 Wmax power
Value Quietness Filter cost

Quieter and more efficient than the 211+, with app control.

One air change of a 300 sq ft room in about 6 min$140 a year in filters$1,000 to own for 5 yearsAHAM Verifide CADR
Amazon · $300BlueairFull review
4
Winix 9800
#4 of 6 in extra large
$279
3.8
405 cfmsmoke CADR
628 sq ftAHAM room size
56 dBat full speed
85 Wmax power
Value Quietness Filter cost

Large-room Winix with heavy carbon and app; slightly costlier than the T810.

One air change of a 300 sq ft room in about 6 min$95 a year in filters$754 to own for 5 yearsAHAM Verifide CADR1.2 lb activated carbon
Amazon · $279WinixFull review
5
Coway Airmega 300
#5 of 17 in large
$279
3.6
300 cfmsmoke CADR
465 sq ftAHAM room size
52 dBat full speed
57 Wmax power
Value Quietness Filter cost

Two-sided filtration with a real carbon layer; filters cost more than most.

One air change of a 300 sq ft room in about 8 min$110 a year in filters$829 to own for 5 yearsAHAM Verifide CADR1.1 lb activated carbon
Amazon · $279CowayFull review
6
Coway Airmega 400
#6 of 17 in large
$379
3.4
350 cfmsmoke CADR
542 sq ftAHAM room size
52 dBat full speed
66 Wmax power
Value Quietness Filter cost

High CADR at a quiet 52 dB maximum; annual filter cost is among the highest here.

One air change of a 300 sq ft room in about 7 min$130 a year in filters$1,029 to own for 5 yearsAHAM Verifide CADR1.3 lb activated carbon
Amazon · $379CowayFull review
7
$449
3.4
350 cfmsmoke CADR
542 sq ftAHAM room size
52 dBat full speed
66 Wmax power
Value Quietness Filter cost

Airmega 400 with Wi-Fi app control.

One air change of a 300 sq ft room in about 7 min$130 a year in filters$1,099 to own for 5 yearsAHAM Verifide CADR1.3 lb activated carbon
Amazon · $449CowayFull review
8
$450
3.4
950 cfmsmoke CADR
1,472 sq ftAHAM room size
60 dBat full speed
95 Wmax power
Value Quietness Filter cost

Twin-filter unit with very high claimed CADR; not AHAM listed.

One air change of a 300 sq ft room in about 3 min$260 a year in filters$1,750 to own for 5 years
Amazon · $450MedifyFull review
9
Levoit EverestAir
#8 of 17 in large
$400
3.4
360 cfmsmoke CADR
558 sq ftAHAM room size
52 dBat full speed
49 Wmax power
Value Quietness Filter cost

Levoit's flagship with a laser sensor and directional vent; expensive for the CADR.

One air change of a 300 sq ft room in about 7 min$160 a year in filters$1,200 to own for 5 yearsAHAM Verifide CADR
Amazon · $400LevoitFull review
10
$599
3.4
347 cfmsmoke CADR
538 sq ftAHAM room size
49 dBat full speed
60 Wmax power
Value Quietness Filter cost

Quiet at full speed and well built; price per CADR is high.

One air change of a 300 sq ft room in about 7 min$99 a year in filters$1,094 to own for 5 yearsAHAM Verifide CADR
Amazon · $599AlenFull review
11
$280
3.3
350 cfmsmoke CADR
542 sq ftAHAM room size
56 dBat full speed
61 Wmax power
Value Quietness Filter cost

211+ with a particle sensor and auto mode.

One air change of a 300 sq ft room in about 7 min$140 a year in filters$980 to own for 5 yearsAHAM Verifide CADR
Amazon · $280BlueairFull review
12
$250
3.3
350 cfmsmoke CADR
542 sq ftAHAM room size
56 dBat full speed
61 Wmax power
Value Quietness Filter cost

High CADR, simple one-button operation, fabric prefilter; no auto mode and short filter life.

One air change of a 300 sq ft room in about 7 min$140 a year in filters$950 to own for 5 yearsAHAM Verifide CADR
Amazon · $250BlueairFull review
13
Honeywell HPA5300
#12 of 17 in large
$250
3.2
300 cfmsmoke CADR
465 sq ftAHAM room size
58 dBat full speed
120 Wmax power
Value Quietness Filter cost

HPA300 internals with a particle sensor, auto mode and app.

One air change of a 300 sq ft room in about 8 min$60 a year in filters$550 to own for 5 yearsAHAM Verifide CADR
Amazon · $250HoneywellFull review
14
Honeywell HPA300
#13 of 17 in large
$190
3.1
300 cfmsmoke CADR
465 sq ftAHAM room size
60 dBat full speed
130 Wmax power
Value Quietness Filter cost

Proven large-room CADR at a fair price; loud and power-hungry at full speed, no auto mode.

One air change of a 300 sq ft room in about 8 min$60 a year in filters$490 to own for 5 yearsAHAM Verifide CADR
Amazon · $190HoneywellFull review
15
Medify MA-40
#15 of 17 in large
$170
3.0
330 cfmsmoke CADR
512 sq ftAHAM room size
56 dBat full speed
68 Wmax power
Value Quietness Filter cost

High claimed CADR for the money; not AHAM listed, and filters are short-lived.

One air change of a 300 sq ft room in about 7 min$160 a year in filters$970 to own for 5 years
Amazon · $170MedifyFull review
16
$550
2.6
300 cfmsmoke CADR
465 sq ftAHAM room size
51 dBat full speed
55 Wmax power
Value Quietness Filter cost

Premium build and very quiet low speed; CADR per dollar is poor.

One air change of a 300 sq ft room in about 8 min$240 a year in filters$1,750 to own for 5 yearsAHAM Verifide CADR
Amazon · $550BlueairFull review
17
$500
2.5
435 cfmsmoke CADR
674 sq ftAHAM room size
57 dBat full speed
65 Wmax power
Value Quietness Filter cost

Steel-cabinet workhorse with published test data; no sensor, no app.

One air change of a 300 sq ft room in about 6 min$110 a year in filters$1,050 to own for 5 years
Amazon · $500Smart AirFull review

More lists

Air Purifiers Under $100Air Purifiers Under $200Air Purifiers Under $300Air Purifiers for BedroomsQuietest Air Purifiers at Full PowerAir Purifiers for Wildfire SmokeAir Purifiers for Allergies and PollenAir Purifiers for Pet Hair and DanderCheapest Air Purifiers to Run (Filters plus Power)Most Energy-Efficient Air Purifiers (CADR per Watt)Value Air Purifiers (CADR per Dollar)Smart Air Purifiers with App and Auto ModeEvery AHAM Verifide Air Purifier RankedAir Purifiers for Odors and VOCs (Heavy Carbon)